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package cn.ac.iie.di.ban.news.server.check.checkers;

import cn.ac.iie.di.ban.news.server.check.CheckResult;
import cn.ac.iie.di.ban.news.server.check.Checker;
import java.util.Collection;
import java.util.HashSet;

/**
 *
 * @author zwlin
 */
public class DomainChecker implements Checker<String, String> {

	private static final HashSet<String> DOMAINS;

	static {
		DOMAINS = new HashSet<>();
		DOMAINS.add("www.test.com");
	}

	public static synchronized void init(Collection<String> domains) {
		DomainChecker.DOMAINS.clear();
		DomainChecker.DOMAINS.addAll(domains);
	}

	@Override
	public CheckResult check(String src, String target) {
		if (src == null || !DOMAINS.contains(src)) {
			return new CheckResult("domain not in our list.");
		} else {
			return new CheckResult();
		}
	}

}
